High severity · published Jan 25, 2019
CVE-2018-16881
A denial of service vulnerability was found in rsyslog in the imptcp module
7.5
CVSS
2.2%
EPSS
No
On KEV
Description
A denial of service vulnerability was found in rsyslog in the imptcp module. An attacker could send a specially crafted message to the imptcp socket, which would cause rsyslog to crash. Versions before 8.27.0 are vulnerable.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RS
rsyslog: · The rsyslog Project
8.27.0 · source: vendor
DL
Debian Linux · Debian
9.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
7.0 · source: NVD
EL
Enterprise Linux For Ibm Z Systems · Redhat
7.0 · source: NVD
EL
Enterprise Linux For Power Big Endian · Redhat
7.0 · source: NVD
EL
Enterprise Linux For Power Little Endian · Redhat
7.0 · source: NVD
EL
Enterprise Linux For Scientific Computing · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
7.0 · source: NVD
EL
Enterprise Linux Workstation · Redhat
7.0 · source: NVD
RS
Rsyslog · Rsyslog
before 8.27.0 · source: NVD
VI
Virtualization · Redhat
4.0 · source: NVD
VH
Virtualization Host · Redhat
4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-16881
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-16881
Third Party Advisory
https://access.redhat.com/errata/RHBA-2019:2501
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2110
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2437
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2439
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16881
Mailing List
https://lists.debian.org/debian-lts-announce/2022/05/msg00028.html